Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 04:53

General

  • Target

    fbf950eb1af6e1f1ac82c3211d16626f23ccc49f1cfe7b274f60409390e0b182.dll

  • Size

    120KB

  • MD5

    5dcaea07e627101713e89ae24233db4c

  • SHA1

    66903ca4c7f02833366e4705399b8eeccadfd0c4

  • SHA256

    fbf950eb1af6e1f1ac82c3211d16626f23ccc49f1cfe7b274f60409390e0b182

  • SHA512

    560a1998a084b58e6bad69d9f88646a21a7272e7d63ec6f1723ca1830dfc8ca8cd7006b0657f1da050d683d6e4f600288595d308983f0ef4b0847c782cf6987d

  • SSDEEP

    1536:I1BkE4eqfJEVT3VmOG7fzNPHTZ1Y48U85mLALCV1tDaaw9Nk8ht9EhisiTzISCH0:ouEQBEZ3wh7fxHZ5aEYmek887i3I/On

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf950eb1af6e1f1ac82c3211d16626f23ccc49f1cfe7b274f60409390e0b182.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2408
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf950eb1af6e1f1ac82c3211d16626f23ccc49f1cfe7b274f60409390e0b182.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1788
              • C:\Users\Admin\AppData\Local\Temp\f7680e3.exe
                C:\Users\Admin\AppData\Local\Temp\f7680e3.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:316
              • C:\Users\Admin\AppData\Local\Temp\f768288.exe
                C:\Users\Admin\AppData\Local\Temp\f768288.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2188
              • C:\Users\Admin\AppData\Local\Temp\f76a248.exe
                C:\Users\Admin\AppData\Local\Temp\f76a248.exe
                4⤵
                • Executes dropped EXE
                PID:2524
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1536

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            f718b9ff71174a1e76c9f8f80ba33985

            SHA1

            154d039e3d2c85de202290e4c8e066ec06a2f1d2

            SHA256

            827141971531c51129c05c1384b62edd5e207d98487bdb2f31ec9a66ddaa6d80

            SHA512

            34afccc49d666f9170410444a23380f1c7a73340f6d514ccf509075dea2c201f311b64731f8acfa9b6e83222c078ae28dd068f5e648e084c45ce036950884f66

          • \Users\Admin\AppData\Local\Temp\f7680e3.exe

            Filesize

            97KB

            MD5

            d853d036cfc4ffa059b20a3cea8b2647

            SHA1

            0699dd5632886941cca3074eddff4c3d30195481

            SHA256

            44619a797329d09434681299939ced0150162dceba5bf4e88cd03cc2023f7b05

            SHA512

            739238da55d13e81bd5fc3966bc79be8d3906f46a35f5257915bb2efdb74cea100aa116ca81e20ae574813e51abbde8fbd0f879e0f3406c3846d4ba3e680b582

          • memory/316-60-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/316-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/316-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/316-100-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-23-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-91-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-17-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-21-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-25-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-90-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-74-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-50-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/316-66-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-72-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/316-160-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-73-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-71-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-22-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-69-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-68-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-67-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-20-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-19-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-18-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-26-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-24-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-65-0x00000000006C0000-0x000000000177A000-memory.dmp

            Filesize

            16.7MB

          • memory/1104-32-0x0000000001F20000-0x0000000001F22000-memory.dmp

            Filesize

            8KB

          • memory/1788-61-0x00000000006F0000-0x0000000000702000-memory.dmp

            Filesize

            72KB

          • memory/1788-7-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/1788-40-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1788-49-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1788-59-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1788-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1788-62-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1788-87-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1788-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1788-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1788-13-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/1788-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1788-39-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2188-181-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2188-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2188-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2188-131-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2188-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2188-194-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2188-195-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2524-110-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2524-111-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2524-89-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2524-112-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2524-199-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB